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Across 4. Devices that use an electromagnet to measure electric current 5. Uses electromagnetic induction to transform mechanical energy into electrical energy 6. A single wire wrapped into a cylindrical wire coil 8. Device that changes electrical energy into mechanical energy 9. Properties and interactions of magnets 11. Reverses the direction of the current in a regular pattern 12. Surrounds a magnet and exerts a force on other magnets and objects made of magnetic materials

Down 1. The generation of a current by a changing magnetic field 2. Region on a magnet where the magnetic force exerted by a magnet is strongest; like poles repel and opposite poles attract 3. Device that increases or decreases the voltage of an alternating current 7. Flows only in one direction through a wire 10. A large wheel that rotates when pushed by water, wind, or steam